Respiratory disease in motion-picture projectionists.
D002908:Chronic Disease / Q000453:epidemiology; D004781:Environmental Exposure; D006801:Humans; D008297:Male; D009040:Motion Pictures; D009784:Occupational Diseases / Q000453:epidemiology*; D012140:Respiratory Tract Diseases / Q000453:epidemiology*; D012907:Smoking